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Fix INADDR_LOOPBACK undeclared on macOS in C SDK mock server - #41

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Apr 27, 2026
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Fix INADDR_LOOPBACK undeclared on macOS in C SDK mock server#41
nevstop merged 1 commit into
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CopilotAI commented Apr 27, 2026

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macOS CI build fails in SDK/c/tests/mock_server.c because INADDR_LOOPBACK is a BSD extension that gets hidden when _POSIX_C_SOURCE is defined — which this file sets at the top for POSIX compliance.

Change

Added a fallback definition after the platform-specific includes:

#ifndefINADDR_LOOPBACK# defineINADDR_LOOPBACK 0x7F000001UL
#endif

No behavioral change on platforms where <netinet/in.h> already exposes the constant.

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Pull request overview

Fixes macOS CI build failure in the C SDK mock server by ensuring INADDR_LOOPBACK is available even when _POSIX_C_SOURCE hides BSD extensions.

Changes:

  • Adds a guarded fallback #define INADDR_LOOPBACK 0x7F000001UL in SDK/c/tests/mock_server.c when the platform headers don’t provide it.

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nevstop marked this pull request as ready for review April 27, 2026 13:44
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nevstop merged commit 688ca01 into Dev_2026Q2Apr 27, 2026
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nevstop deleted the copilot/fix-action-error branch April 27, 2026 13:45
nevstop added a commit that referenced this pull request Jul 14, 2026
* Refactor bilingual README for clarity and replace Mermaid diagrams with Excalidraw-based PNG images (#29)
* docs: rewrite bilingual README with mermaid diagrams
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* docs: replace mermaid diagrams with static PNG images
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* docs: replace mermaid with png diagrams and add excalidraw sources
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* docs: align client diagram alt text with sequence content
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* docs: normalize client diagram naming and alt text
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* docs: unify client diagram alt text naming
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* docs: improve diagram alt text accessibility in both READMEs
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* Convert `.doc/CSM-TCP-Router.drawio` to Excalidraw source and synced PNG export (#30)
* docs: add excalidraw and png converted from drawio
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* docs: fix application spelling in converted diagram
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* 17 python sdk (#32)
* feat: add Python pip-publishable SDK for CSM-TCP-Router (#31)
* feat: add Python pip-publishable SDK for CSM-TCP-Router
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* fix: add least-privilege permissions to CI workflow jobs
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* feat: add asyncio client, Chinese README, and TestPyPI CI stage (v0.2.0)
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* fix: address all PR review comments (shared _errors, socket leak, locks, disconnect sentinels, isawaitable, changelog)
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* Add bilingual VI API reference docs for CSM-TCP-Router (Server + Client) (#35)
* Initial plan
* docs: add bilingual VI API documentation for CSM-TCP-Router
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* docs: move VI API docs under src and align reference format
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* docs: restore compatibility notes in status API sections
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* update PythonClientAPI/*
* Consolidate Python SDK into single-file `csm_tcp_router_client` module and release as v0.3.0 (#37)
* Consolidate Python SDK into single-file csm_tcp_router_client module
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* Bump SDK to 0.3.0 and fix workflow paths so publish jobs trigger
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* Add C# csm-tcp-router-client SDK (#38)
* Initial plan
* Add C# csm-tcp-router-client SDK (single-file), VS solution, xUnit tests, example, NuGet packaging, and GitHub Actions workflow
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* Address review: deterministic closed-port helper, ManualResetEventSlim in unsubscribe test, observe WaitForServerAsync connect task, force disconnect on RESP/CMD_RESP timeout
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* Add C csm-tcp-router-client SDK (multi-platform, VS2026, CMake, tests) (#40)
* Add C csm-tcp-router-client SDK with VS2026 + CMake + tests
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* Address PR review comments on the C SDK
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* Drop redundant g_wsa_lock_inited; route cleanup through InitOnceExecuteOnce
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* Fix INADDR_LOOPBACK undeclared on macOS in mock_server.c (#41)
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* 将 SDK/ 下所有代码注释翻译为中文 (#42)
* translate: convert all C SDK comments from English to Chinese
Translated all code comments in 11 C SDK files from English to Chinese,
preserving all code logic, variable names, function names, string literals,
Doxygen tags (@PARAM, @return, etc.) and technical proper names (TCP, CSM,
WSA, POSIX, BSD, Win32, Winsock2, pthreads, CMake, NUL, DLL, etc.).
Files translated:
- SDK/c/include/csm_tcp_router_client.h
- SDK/c/src/csm_tcp_router_client.c
- SDK/c/examples/basic_usage.c
- SDK/c/examples/subscribe_status.c
- SDK/c/tests/test_harness.h
- SDK/c/tests/mock_server.h
- SDK/c/tests/mock_server.c
- SDK/c/tests/test_main.c
- SDK/c/tests/test_client.c
- SDK/c/tests/test_protocol.c
- SDK/c/tests/test_integration.c
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* translate: convert all C# SDK comments from English to Chinese
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* translate: convert all Python SDK comments from English to Chinese
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* translate: convert all Python SDK comments from English to Chinese (partial)
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* Add interactive ClientConsole example to Python, C# and C SDKs (#43)
* Add interactive ClientConsole example to Python, C# and C SDKs
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* Validate port argument in Python and C# ClientConsole examples
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* update deps
* 重命名example
* backup code
* mass compile to trigger build
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